卷材防水屋面找平层在分格缝处应附加______mm,宽度的油毡或卷材,单边点贴覆盖。

题型:单项选择题

问题:

卷材防水屋面找平层在分格缝处应附加______mm,宽度的油毡或卷材,单边点贴覆盖。

A.200~300

B.150~200

C.100~150

D.50~100

考点:防水工初级防水工初级
题型:单项选择题

Americans love cars.They go everywhere in them.8 5%of people in the US go to and from work by car. And most adults have driving licenses.Why does this car culture exist?

How it started

America’s love of cars started after the war(战争)when soldiers returned home from World War II to rebuild their lives.They borrowed money from the government to buy houses and cars which became the symbols of status(地位).The more money they had,the bigger their cars were.

Making of roads

During the war,President Eisenhower noticed what good roads Germany had.He decided to build new four-lane(四车道)roads in America.He said if something happened suddenly,the two-lane roads wouldn’t be able to carry all the cars that would suddenly leave the cities.Car and oil companies liked his idea and building started.

Car lover

Not just teenagers are crazy about cars.Some Americans love their cars so much that they paint their cars beautifully .These are called Art Cars.Every April there is an activity in Houston,Texas,where they show their cars.

Pollution

Cars have polluted the environment.American President Bush refused a worldwide law that is against pollution.Many countries were angry about it.Bush said he had to think of the American economy(经济)and all the American people that make money from cars.Factories say they want to make cars that pollute less.But others say making cars that pollute less will never be as good as having fewer cars.

小题1:When did Americans begin to love cars?   

A.Before the new two-lane roads were built.

B.After World War II.

C.During World War II.

D.Before World War II.小题2:New four-1ane roads were build _______.

A.in Germany

B.by car and oil companies

C.in America

D.when something suddenly happened小题3:The underlined word “building” here means “the building of _______”. 

A.companies

B.soldiers’ lives

C.houses

D.roads小题4:What were other countries’ feelings about Bush’s decision?  

A.They agreed with him.

B.They showed anger to it.

C.They paid no attention to it.

D.The passage doesn’t tell us.小题5:What does the last sentence  mean? 

A.It’s better to have fewer cars.

B.It’s better to make cars that pollute less.

C.It’s easier to make cars that pollute less.

D.It’s easier to make people have fewer cars.

题型:单项选择题
已知锐角A满足关系式2sin2A-7sinA+3=0,则sinA的值为(  )
A.
1
2
B.3C.
1
2
或3
D.4
题型:单项选择题

所谓VVVF电梯指的是()、()、()控制的驱动。

题型:单项选择题

非股份制企业利润分配应当遵循的原则有:

A.规范性原则

B.公平性原则

C.效率性原则

D.比例性原则

E.固定性原则

题型:单项选择题

关于急性炎症性脱髓鞘性多发性神经病的病因描述不正确的是()。

A.确切病因未明

B.与细菌感染有关

C.可发生于感染性疾病、疫苗接种后

D.某些自身免疫性疾病可合并本病

E.可能与病毒感染有关

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